an academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting
"The department organized a colloquium series where each evening featured a new expert presenting research from a completely different field."
an address to an academic meeting or seminar
"The professor delivered a compelling colloquium on quantum mechanics that captivated the entire audience at the annual science symposium."
A colloquy; a meeting for discussion.
"The department organized an annual colloquium where professors and students gathered to debate emerging trends in artificial intelligence."